blob: 63186b00e135913e4ad383ec768976e4294404db [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * fs/partitions/atari.h
3 * Moved by Russell King from:
4 *
5 * linux/include/linux/atari_rootsec.h
6 * definitions for Atari Rootsector layout
7 * by Andreas Schwab (schwab@ls5.informatik.uni-dortmund.de)
8 *
9 * modified for ICD/Supra partitioning scheme restricted to at most 12
10 * partitions
11 * by Guenther Kelleter (guenther@pool.informatik.rwth-aachen.de)
12 */
13
14struct partition_info
15{
16 u8 flg; /* bit 0: active; bit 7: bootable */
17 char id[3]; /* "GEM", "BGM", "XGM", or other */
18 __be32 st; /* start of partition */
19 __be32 siz; /* length of partition */
20};
21
22struct rootsector
23{
24 char unused[0x156]; /* room for boot code */
25 struct partition_info icdpart[8]; /* info for ICD-partitions 5..12 */
26 char unused2[0xc];
27 u32 hd_siz; /* size of disk in blocks */
28 struct partition_info part[4];
29 u32 bsl_st; /* start of bad sector list */
30 u32 bsl_cnt; /* length of bad sector list */
31 u16 checksum; /* checksum for bootable disks */
32} __attribute__((__packed__));
33
34int atari_partition(struct parsed_partitions *state, struct block_device *bdev);